<template>
    <div class="wrapper">
        <!-- 让swiper的初次创建由完整的数据创建 -->
        <swiper :options="swiperOption" v-if='showSwiper'>
            <!-- slides -->
            <swiper-slide v-for="item of list" :key='item.id'>
                <img class="swiper-img" :src="item.imgUrl" alt="">
            </swiper-slide>
            <!-- Optional controls -->
            <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
    name:"HomeSwiper",
    props:{
        list:Array
    },
    data (){
        return{
            swiperOption:{
                pagination:'.swiper-pagination',
                loop:true
            }
        }
    },
    computed:{
        showSwiper(){
            return this.list.length
        }
    }
}
</script>
<style lang='stylus' scoped>
    .wrapper >>> .swiper-pagination-bullet-active
            background :#fff !important
    .wrapper
        overflow:hidden
        width:100%
        height:0
        padding-bottom :31.25% //图片宽高比例自适应
        background :#eee
        .swiper-img
            width :100%
</style>